Title :
Electromagnetic diffraction from a dielectric-filled slit-cylinder enclosing a cylinder of arbitrary cross section: TM case
Author_Institution :
Dept. of Electr. & Comput. Eng., Syracuse Univ., NY, USA
fDate :
2/1/1989 12:00:00 AM
Abstract :
A simple moment solution to the problem of the diffraction of a TM plane wave from an infinite, perfectly conducting slotted cylinder of an arbitrary cross section is summarized. The slit cylinder encloses a smaller perfectly conducting cylinder of an arbitrary cross section, and the space between the cylinders is filled with a dielectric material. The equivalence principle is used to obtain a set of coupled integral equations for the induced/equivalent surface currents on the cylinders, and the method of moments is used to solve numerically the integral equations. The electric field integral equation formulation is used. The advantages and the limitations of the method are discussed. Sample results for the induced current, aperture field, internal field, and scattering cross sections are given. These are in good agreement with some of the available published data
Keywords :
electromagnetic wave diffraction; integral equations; EM diffraction; TM plane wave; aperture field; arbitrary cross section; coupled integral equations; dielectric material; dielectric-filled slit-cylinder; electric field integral equation; equivalence principle; equivalent surface currents; induced current; infinite cylinder; internal field; method of moments; perfectly conducting slotted cylinder; scattering cross sections; Apertures; Conductors; Dielectric materials; Electromagnetic diffraction; Electromagnetic fields; Electromagnetic scattering; Electromagnetic waveguides; Engine cylinders; Integral equations; Moment methods;
Journal_Title :
Electromagnetic Compatibility, IEEE Transactions on